Per Capita Land Use through Time and Space: A New Database for (Pre)Historic Land-Use Reconstructions
2024
Chad Hill | Marco Madella | Nicki J. Whitehouse | Carolina Jiménez-Arteaga | Emily Hammer | Jennifer Bates | Lynn Welton | Stefano Biagetti | Johanna Hilpert | Kathleen D. Morrison
Anthropogenic land cover change (ALCC) models, commonly used for climate modeling, tend to utilize relatively simplistic models of human interaction with the environment. They have historically relied on unsophisticated assumptions about the temporal and spatial variability of the area needed to support one person: per capita land use (PCLU). To help refine ALCC models, we used a range of data sources to build a new database that attempts to bring together PCLU data with significant time depth and a global perspective. This new database can provide new nuance for our understanding of the variability in land use among and between time periods and regions, data that will have wide applicability for continued research into past human land use and present land-use change, and can hopefully help improve existing ALCC models. An example is provided, showing the potential impact of new PCLU data on land-use mapping in the Middle East at 6000 BP.
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